Shimano 105 br 5800 r55c4 brake blockssuitable for standard shimano road caliper brakes and for use with aluminium rims the r55c4 compound of the brake pads ensures great braking performance in both dry and wet conditions it offers excellent wear resistance featurescompatible with the following shimano modelsbr 5800 br 5700 br 5600 br 5501 br 5500 br r650 br r600 br r561 br r560a 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr pr